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makefile: introduce a format command to run clang-format all over the kernel source.

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RaphProductions 2025-05-11 11:45:04 +02:00
parent c4e98f5ef2
commit a379d66784
47 changed files with 5092 additions and 4603 deletions
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86
kernel/src/sys/arch/x86_64/sse.c Executable file → Normal file
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@ -1,59 +1,59 @@
#include <sys/arch/x86_64/sse.h>
#include <sys/printf.h>
#include <sys/log.h>
#include <sys/printf.h>
int cpuid_check_bit(int reg, int bit) {
int eax, ebx, ecx, edx;
int eax, ebx, ecx, edx;
// Minimal inline assembly to execute CPUID
__asm__ volatile (
"cpuid" // Execute CPUID instruction
: "=a"(eax), "=b"(ebx), "=c"(ecx), "=d"(edx) // Output registers
: "a"(0x1) // Input: EAX = 0x1 (query feature flags)
: // No clobbered registers
);
// Minimal inline assembly to execute CPUID
__asm__ volatile("cpuid" // Execute CPUID instruction
: "=a"(eax), "=b"(ebx), "=c"(ecx),
"=d"(edx) // Output registers
: "a"(0x1) // Input: EAX = 0x1 (query feature flags)
: // No clobbered registers
);
// Check bit 25 of EDX (SSE support) in plain C
if (reg == 0) {
if (edx & (1 << bit)) {
return 1; // SSE is supported
} else {
return 0; // SSE is not supported
}
}else if (reg == 1) {
if (ecx & (1 << bit)) {
return 1; // SSE is supported
} else {
return 0; // SSE is not supported
}
// Check bit 25 of EDX (SSE support) in plain C
if (reg == 0) {
if (edx & (1 << bit)) {
return 1; // SSE is supported
} else {
return 0; // SSE is not supported
}
} else if (reg == 1) {
if (ecx & (1 << bit)) {
return 1; // SSE is supported
} else {
return 0; // SSE is not supported
}
}
return 0;
return 0;
}
void sse_init() {
int sse = cpuid_check_bit(0, 25);
int sse2 = cpuid_check_bit(0, 26);
int sse3 = cpuid_check_bit(1, 0);
int ssse3 = cpuid_check_bit(1, 9);
int sse = cpuid_check_bit(0, 25);
int sse2 = cpuid_check_bit(0, 26);
int sse3 = cpuid_check_bit(1, 0);
int ssse3 = cpuid_check_bit(1, 9);
if (sse)
log("sse - sse is supported!\n");
else
log("sse - sse isn't supported!\n");
if (sse)
log("sse - sse is supported!\n");
else
log("sse - sse isn't supported!\n");
if (sse2)
log("sse - sse2 is supported!\n");
else
log("sse - sse2 isn't supported!\n");
if (sse2)
log("sse - sse2 is supported!\n");
else
log("sse - sse2 isn't supported!\n");
if (sse3)
log("sse - sse3 is supported!\n");
else
log("sse - sse3 isn't supported!\n");
if (sse3)
log("sse - sse3 is supported!\n");
else
log("sse - sse3 isn't supported!\n");
if (ssse3)
log("sse - ssse3 is supported!\n");
else
log("sse - ssse3 isn't supported!\n");
if (ssse3)
log("sse - ssse3 is supported!\n");
else
log("sse - ssse3 isn't supported!\n");
}